Home » Our Galactic Region

Star Formation Region Avedisova 1118

Catalog name: 85.49-1.00

Prominent object names: Sh 2-117, NGC 7000 [glossary]

Westerhout radio sources: W 80 (HII) [24]

IRAS infrared sources (6): IRAS 20495+4320 (IR) [0], IRAS 20499+4337 (IR) [0], IRAS 20489+4410 = SFO 31 (Cloud) [9], IRAS 20487+4415 (IR) [0], IRAS 20490+4413 (IR) [0], IRAS 20490+4417 (IR) [0]

Masers: 1 water

Other component designations: CTB 100 = NGC 7000 (HII) [223], DR 27 (Radio) [3], HFE 71 (IR) [1], HFE 72 (IR) [1], IC 5067 (Neb) [9], IC 5070 (HII) [85], NGC 6996 (Assoc*) [7], NGC 7000 (HII) [223], Sh 2-117 = NGC 7000 (HII) [223]

Distance estimates for objects in this region

Object PositionSize (arcmin) Source Note Distance(s)
Sh 2-117 85.49-155.87 1982ApJS...49..183B I 800
[DBY94] 27 83.73+0.118.62 1994ApJS...95..419D P 800
[DBY94] 31 84.53+1.0310.01 1994ApJS...95..419D P 800
[DBY94] 34 84.9-1.2231.65 1994ApJS...95..419D P 800
[DBY94] 40 86-2.171.86 1994ApJS...95..419D P 800

For more information on distance estimates see Avedisova distances.

Detailed component listing with references (70 components)

Main objectO S 117 [1982ApJS...49..183B], O NGC 7000,NOR TH AMERICA [1970A&A.....6..349G], O IC 5070 [88078], O IC 5067 [1975PhDT.......119G], O LBN 353 [1965ApJS...12..163L]
85.46 -00.47O NGC 6996 cluster [87065]
83.7 +00.1M CO cloud [1994ApJS...95..419D]
83.38 +00.35R [1990A&AS...85..805F], R [1968ZA.....68..368W]
85.460-01.047O *V1057 Cyg(FU Ori) [1997AbhHS..11.....K], O refl. nebula [1981AJ.....86.1520D], M CO condensat. [1975ApJ...201..118B], M CO [1988ApJS...67..283L], M CO core [1982ApJ...259L..35K], M CO Wing [1982ApJ...259L..35K], M CS [1999A&AS..139..257L], IR*V1057 Cyg [1989ApJ...340L..69W], IR*V1057 Cyg [1991ApJ...383..664K], R *V1057 Cyg [1992RMxAA..24..135R]
83.46 -00.31R [1990A&AS...83..539R], R [1986AJ.....92..371G], R [1990A&AS...85..805F], R [1968ZA.....68..368W]
83.481-00.347R [1990ApJ...358..485B]
83.485-00.349R [1990ApJ...358..485B]
83.98 -00.28IR HFE 71 [1971ApJ...170L..89H]
84.04 -00.43R S [1983A&A...124..116W]
84.034-00.476IR 20495+4320 [1988IRASP.C......0J]
84.28 +00.28R Q [1983A&A...124..116W]
84.34 -00.41R [2000AJ....119.2801L], R H [1980A&A....88..267M]
84.291-00.355IR 20499+4337 [1988IRASP.C......0J]
84.34 -01.82R [1990A&AS...85..805F], R [1986AJ.....92..371G], R [1986ApJS...61....1B], R [1990A&AS...83..539R]
84.40 -00.37R I [1980A&A....88..267M]
84.39 +01.27R [1968ZA.....68..368W]
84.5 +01.0M CO cloud [1994ApJS...95..419D]
84.39 -00.49R [1968ZA.....68..368W]
84.39 -01.71R [1968ZA.....68..368W]
84.58 -01.23R N [1980A&A....88..267M]
84.61 -00.90R L [1980A&A....88..267M], M CO [1975AJ.....80..101M]
84.64 -01.35R [1968ZA.....68..368W]
84.63 -01.15R M [1980A&A....88..267M]
84.64 -01.19IR CHTH 49 [1980ApJ...238..122C], M CO [1975ApJ...202..673M]
84.69 +00.14R [1968ZA.....68..368W], R E [1980A&A....88..267M]
84.599+00.141O *red stars [1999A&A...352..228M], O refl.nebula [1999A&A...352..228M], IR 20489+4410 Rim A [1988IRASP.C......0J], IR 20489+4410 [1988IRASP.C......0J]
84.600+00.154M H2O-E [1983MNRAS.203.1099W], M NH3 max [1983MNRAS.203.1099W]
84.633+00.213IR 20487+4415 [1988IRASP.C......0J]
84.641+00.208IR 4 [1980ApJ...239..121B], M CO max,IRS 4 [1980ApJ...239..121B], M CO [1982ApJS...49..183B], M NH3 max [1983MNRAS.203.1099W]
84.649+00.164IR 20490+4413 [1988IRASP.C......0J]
84.655+00.156IR 2,(F) [1980ApJ...239..121B]
84.702+00.205IR 20490+4417 [1988IRASP.C......0J]
84.765+00.213IR 3 [1980ApJ...239..121B]
84.71 -00.29R [1968ZA.....68..368W], M CO [1975ApJ...202..673M]
84.76 -00.61R K [1980A&A....88..267M]
84.79 -00.65R [1968ZA.....68..368W], M CO [1975ApJ...202..673M], M CO centre [1980ApJ...239..121B], M OH-A [1979A&AS...37....1T]
84.76 -01.54R D [1990A&AS...83..539R], R D [1990A&AS...85..805F], R D [1986AJ.....92..371G], R D [1980A&A....88..267M]
84.77 -01.07R [1990A&AS...85..805F], M CO [1975AJ.....80..101M]
84.785-01.532IR 5,(D) [1980ApJ...239..121B], M CO [1975AJ.....80..101M], M CO [1975ApJ...202..673M], M CH [1976ApJS...31..333R], M NH3 [1973ApJ...186L..73C]
84.81 -00.39R W 80,DR 27 [1968ZA.....68..368W], R [1968ZA.....68..368W], R [1960PASP...72..331W], R [1968ApJ...153..743G], R [1983A&A...124..116W], R [1964MNRAS.127..367H], R [1970A&A.....4..357R], R DR 27 [1966ApJ...144..937D], R CTB 100 [61000], R [1974ApJ...192..337G], R [1972MNRAS.159..129P], M OH-A [1968ApJS...15..131G]
84.792-00.863IR 8 [1980ApJ...239..121B]
84.811-00.882IR 10 [1980ApJ...239..121B]
84.831-00.828IR 1,(K) [1980ApJ...239..121B]
84.829-00.887IR 11 [1980ApJ...239..121B]
84.833-00.829IR 9 [1980ApJ...239..121B], M OH-A [1969ApJ...155L..21C], M H2CO [1973A&A....22...13M]
84.92 -01.23R P [1980A&A....88..267M]
80.9 -01.2M CO cloud [1994ApJS...95..419D]
84.971-00.485IR 7 [1980ApJ...239..121B]
84.98 +00.47R [1990A&AS...85..805F], R [1986AJ.....92..371G], R R [1983A&A...124..116W]
85.04 -00.23R J [1990A&AS...83..539R], R J [1990A&AS...85..805F], R J [1980A&A....88..267M], R [1968ZA.....68..368W]
85.03 -00.16IR CHTH 47 [1980ApJ...238..122C]
85.01 -00.24IR IRS [1982AJ.....87..131P]
85.08 -01.57R C [1980A&A....88..267M]
84.99 -01.61IR HFE 72 [1971ApJ...170L..89H]
85.10 -00.80R O [1980A&A....88..267M]
85.30 -01.52R [1986ApJS...61....1B], R B [1980A&A....88..267M]
85.38 -01.51R [1990A&AS...85..805F]
85.459-01.473IR 6 [1980ApJ...239..121B]
85.460-01.046IR [1982PASP...94..285H]
85.47 +00.49R [1968ZA.....68..368W]
85.54 -02.33R [1968ZA.....68..368W]
85.72 -00.65R [1968ZA.....68..368W]
85.810-00.659R [1990A&AS...83..539R], R [1986AJ.....92..371G], R [1986ApJS...61....1B], R [1990A&AS...85..805F]
85.797-00.657R [1990ApJ...358..485B]
85.806-00.651R [1990ApJ...358..485B]
86.13 -01.24R [1968ZA.....68..368W]
86.12 -01.16R [1983A&A...124..116W]
86.15 -02.12R [1968ZA.....68..368W], R [1990A&AS...85..805F]
86.0 -02.2M CO cloud [1994ApJS...95..419D]

Acknowledgement: based on the Catalog of Star-Forming Regions in the Galaxy ( Avedisova, V. S., Astronomy Reports, Volume 46, Issue 3, March 2002, pp.193-205 [2002ARep...46..193A]). The complete catalog can be accessed here: V/112/.

For more information, read The Avedisova catalog: A real Hitchhiker's Guide to the Galaxy?